Informations sur l'appareil:

Fluke 196 ScopeMeter
Fabricant:
Fluke
Modèle: 196
Date: 2000
Catégorie: Mètres
Groupe: ScopeMeter
Description: Scopemeter
Information:
                                    The Fluke 192/196/199 ScopeMeter test tools have three input
channels that are electrically floating with respect to each
other, and with respect to the power adapter input.

Channel A and channel B are oscilloscope channels with a
60/100/200 MHz bandwidth. The Meter/External Trigger channel
is a combined DMM and external trigger channel with a
limited (20 kHz) bandwidth.

Ces manuels sont disponibles pour les équipements ci-dessus :

Fluke -- 196 -- Manuel de l'utilisateur
Nom du fichier: Fluke-871-Manual-Page-1-Picture
Type de document: Manuel de l'utilisateur
Nombre de pages: 116
Taille du fichier: 2.29 Mbytes (2403431 Bytes)
langue: Anglais
Révision: Rev.2, 2/01
Document ID/Numéro: 4822 872 00983
Date: octobre 2000
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Information:
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Fluke -- 196 -- Supplément au manuel de l'utilisateur
Nom du fichier: Fluke-7606-Manual-Page-1-Picture
Type de document: Supplément au manuel de l'utilisateur
Nombre de pages: 2
Taille du fichier: 124.09 Kbytes (127067 Bytes)
langue: Anglais
Révision:
Document ID/Numéro:
Date: 2000
qualité: Électronique de documents, numérisation sans, bien lisible.
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Fluke -- 196 -- manuel de réparation
Nom du fichier: Fluke-10095-Manual-Page-1-Picture
Type de document: manuel de réparation
Nombre de pages: 206
Taille du fichier: 7.80 Mbytes (8180057 Bytes)
langue: Anglais
Révision: 2
Document ID/Numéro: 4822 672 05376
Date: 01 mars 2000
qualité: Document scanné, tous les lisible.
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Information:
1.1
Introduction..................................................................................................................................................................................................1-3

1.2	Safety
Precautions..............................................................................................................................................................................1-3

1.3	Caution and Warning
Statements................................................................................................................................1-3

1.4
Symbols..............................................................................................................................................................................................................1-3

1.5	Impaired
Safety.....................................................................................................1
-4 '

1.6	General Safety
Information..................................................................................................................................................1-4

2
Characteristics......................................................................................................................................................................2-1

2.1
Introduction..................................................................................................................................................................................................2-3

2.2	Dual Input
Oscilloscope............................................................................................................................................................2-3

2.2.1	Isolated Inputs A and B
(Vertical)..............................................................................................................2-3

2.2.2
Horizontal........................................................................................................................................................................................2-4

2.2.3	Trigger and
Delay................................................................................................................................................................2-4

2.2.4	Automatic Connect&View
Trigger..........................................................................................................2-4

2.2.5	Edge
Trigger................................................................................................................................................................................2-5

2.2.6	Isolated External
Trigger..........................................................................................................................................2-5

2.2.7	Video
Trigger..............................................................................................................................................................................2-5

2.2.8	Pulse Width
Trigger..........................................................................................................................................................2-5

2.2.9	Continuous Auto
Set........................................................................................................................................................2-5

2.2.10	Automatic Capturing Scope
Screens..................................................................................................2-6

2.3	Automatic Scope
Measurements..................................................................................................................................2-6

2.3.1
General..................................................................................................................................................................................................2-6

2.3.2	DC Voltage
(VDC)............................................................................................................................................................2-6

2.3.3	AC Voltage
(VAC)............................................................................................................................................................2-6

2.3.4	AC+DC Voltage (True
RMS)............................................................................................................................2-7

2.3.5	Amperes
(AMP)......................................................................................................................................................................2-7

2.3.6
Peak............................................................................................................................................................................................................2-7

2.3.7	Frequency
(Hz)........................................................................................................................................................................2-8

2.3.8	Duty Cycle
(DUTY)........................................................................................................................................................2-8

2.3.9	Pulse Width
(PULSE)....................................................................................................................................................2-8

2.3.10
Power..................................................................................................................................................................................................2-8

2.3.11
Phase....................................................................................................................................................................................................2-8
2.3.12	Temperature
(TEMP)................................................................................................................................................2-9

2.3.13	Decibel
(dB)..............................................................................................................................................................................2-9

2.4
Meter......................................................................................................................................................................................................................2-9

2.4.1	Meter
Input....................................................................................................................................................................................2-9

2.4.2	Meter
Functions......................................................................................................................................................................2-9

2.5	DMM Measurements on Meter
Inputs................................................................................................................2-9

2.5.1
General..................................................................................................................................................................................................2-9

2.5.2	Ohms
(£2)..........................................................................................................................................................................................2-10

2.5.3	Continuity
(CONT)............................................................................................................................................................2-10

2.5.4
Diode........................................................................................................................................................................................................2-10

2.5.5	Temperature
(TEMP)....................................................................................................................................................2-10

2.5.6	DC Voltage
(VDC)............................................................................................................................................................2-10

2.5.7	AC Voltage
(VAC)............................................................................................................................................................2-11

2.5.8	AC+DC Voltage (True
RMS)............................................................................................................................2-11

2.5.9	Amperes
(AMP)......................................................................................................................................................................2-11

2.6
Recorder............................................................................................................................................................................................................2-11

2.6.1	TrendPlot (Meter or
Scope)..................................................................................................................................2-11

2.6.2	Scope
Record..............................................................................................................................................................................2-12

2.7	Zoom, Replay and
Cursors....................................................................................................................................................2-12

2.7.1
Zoom.....................................................................................................2-12

2.7.2
Replay....................................................................................................................................................................................................2-12

2.7.3	Cursor
Measurements....................................................................................................................................................2-12

2.8
Miscellaneous..........................................................................................................................................................................................2-13

2.8.1
Display..................................................................................................................................................................................................2-13

7. .8.7 /l
Power........................................................................................................................................................................................2-13

2.8.3	Probe
Calibration..................................................................................................................................................................2-13

2.8.4
Memory................................................................................................................................................................................................2-13

2.8.5
Mechanical......................................................................................................................................................................................2-13

2.8.6	Optical Interface
Port......................................................................................................................................................2-14

2.9
Environmental..........................................................................................................................................................................................2-14

2.10	Zh
Safety....................................................................................................................................................................................................2-14

2.11	10:1
probe..................................................................................................................................................................................................2-16

2.11.1
Safety..................................................................................................................................................................................................2-16

2.11.2	Electrical
specifications..........................................................................................................................................2-16

2.11.3
Environmental........................................................................................................................................................................2-16

2.12	Electromagnetic
Immunity................................................................................................................................................2-17

3	Circuit
Description..........................................................................................................................................................3-1

3.1
Introduction..................................................................................................................................................................................................3-3

3.2	Block
Diagram........................................................................................................................................................................................3-3

3.3	Start-up Sequence, Operating
Modes....................................................................................................................3-7

3.4	Detailed Circuit
Descriptions............................................................................................................................................3-9

3.4.1	Scope Channel A - Scope Channel
B....................................................................................................3-9

3.4.2	Meter/Ext Trigger
Channel....................................................................................................................................3-12

3.4.3	Sampling&Triggering
(S-ASIC)....................................................................................................................3-14

3.4.4	S-ASIC
supply..........................................................................................................................................................................3-19

3.4.5
ADC’s....................................................................................................................................................................................................3-19

3.4.6	Digital
Control..........................................................................................................................................................................3-19

3.4.7
Power......................................................................................................................................................................................................3-24

3.4.8	Slow ADC, RS232 Serial Interface, Backlight,
Buzzer............................................3-28

4	Performance
Verification......................................................................................................................................4-1

4.1
Introduction..................................................................................................................................................................................................4-3

4.2	Equipment Required For
Verification................................................................................................................4-3
4.3	General
Instructions........................................................................................................................................................................4-3

4.4	Operating
Instructions..................................................................................................................................................................4-4

4.4.1	Resetting the test
tool....................................................................................................................................................4-4

4.4.2	Navigating through
menu’s..................................................................................................................................4-4

4.4.3	Creating Test Tool Setup
1......................................................................................................................................4-5

4.5	Display and Backlight
Test..................................................................................................................................................4-5

4.6	Scope Input A&B
Tests............................................................................................................................................................4-7

4.6.1	Input A&B Vertical Accuracy
Test..........................................................................................................4-7

4.6.2	Input A&B DC Voltage Accuracy
Test..............................................................................................4-9

4.6.3	Input A&B AC Voltage Accuracy Test
(LF)..............................................................................4-11

4.6.4	Input A&B AC Coupled Lower Frequency
Test............................................................4-12

4.6.5	Input A and B Peak Measurements
Test..........................................................................................4-13

4.6.6	Input A&B Frequency Measurement Accuracy
Test....................................................4-14

4.6.7	Input A&B Phase Measurements
Test..................................................................................................4-15

4.6.8	Time Base
Test........................................................................................................................................................................4-16

4.6.9	Input A Trigger Sensitivity
Test....................................................................................................................4-18

4.6.10	Input A AC Voltage Accuracy (HF) & Bandwidth
Test......................................4-19

4.6.11	Input B Trigger Sensitivity
Test................................................................................................................4-20

4.6.12	Input B AC Voltage Accuracy (HF) & Bandwidth
Test......................................4-21

4.6.13	Video
test......................................................................................................................................................................................4-22

4.7	External Trigger Level
Test................................................................................................................................................4-26

4.8	Meter (DMM)
Tests........................................................................................................................................................................4-27

4.8.1	Meter DC Voltage Accuracy
Test..............................................................................................................4-27

4.8.2	Meter AC Voltage Accuracy & Frequency Response
Test................................4-28

4.8.3	Continuity Function
Test..........................................................................................................................................4-29

4.8.4	Diode Test Function
Test........................................................................................................................................4-29

4.8.5	Ohms Measurements
Test........................................................................................................................................4-29

4.9	Probe Calibration Generator
Test..............................................................................................................................4-31

5	Calibration
Adjustment............................................................................................................................................5-1

5.1
General................................................................................................................................................................................................................5-3

5.1.1
Introduction....................................................................................................................................................................................5-3

5.1.2	Calibration number and
date................................................................................................................................5-3

5.1.3	General
Instructions..........................................................................................................................................................5-3

5.1.4	Equipment Required For
Calibration....................................................................................................5-4

5.2	Calibration Procedure
Steps................................................................................................................................................5-4

5.3	Starting the
Calibration..............................................................................................................................................................5-4

5.4	Contrast Calibration
Adjustment................................................................................................................................5-6

5.5	Warming Up &
Pre-Calibration....................................................................................................................................5-7

5.6	Final
Calibration..................................................................................................................................................................................5-8

5.6.1	Input A LF-HF
Gain........................................................................................................................................................5-8

5.6.2	Input B LF-HF
Gain..........................................................................................................................................................5-9

5.6.3	Input A&B LF-HF
Gain..............................................................................................................................................5-11

5.6.4	Input A&B
Position........................................................................................................................................................5-12

5.6.5	Input A&B Volt
Gain....................................................................................................................................................5-12

5.6.6	DMM Volt
Gain....................................................................................................................................................................5-14

5.6.7	Input A& B, and DMM
Zero..............................................................................................................................5-15

5.6.8	DMM Ohm
Gain....................................................................................................................................................................5-15

5.6.9	Calculate
Gain....................................................................................................................................................................................5-16

5.7	Save Calibration Data and
Exit......................................................................................................................................5-17

5.8	Probe
Calibration................................................................................................................................................................................5-18

6	Disassembling the Test
Tool..........................................................................................................................6-1

6.1.
Introduction................................................................................................................................................................................................6-3
6.2. Disassembly & Reassembly
Procedures........................................................................................................6-3

6.2.1	Required
Tools........................................................................................................................................................................6-3

6.2.2	Removing the Tilt Stand & Hang
Strap..............................................................................................6-3

6.2.3	Replacing the Side-Strap, Changing the Side-Strap
Position............................6-3

6.2.4	Opening the Test Tool, Removing the
Battery........................................................................6-3

6.2.5	Removing the Main PCA
Unit.................................................................6-5

6.2.6	Removing the Display
Assembly..................................................................................................................6-6

6.2.7	Removing the Keypad and Keypad
Foil............................................................................................6-6

6.2.8	Disassembling the Main PCA
Unit............................................................................................................6-7

6.2.9	Reassembling the Main PCA
Unit..............................................................................................................6-8

6.2.10	Reassembling the Test
Tool............................................................................................................................6-8

7	Corrective
Maintenance..........................................................................................................................................7-1

7.1
Introduction..................................................................................................................................................................................................7-3

7.2	Starting Fault
Finding..................................................................................................................................................................7-4

7.3	Charger
Circuit........................................................................................................................................................................................7-5

7.4	Starting with a Dead Test
Tool......................................................................................................................................7-6

7.4.1	Test Tool Completely
Dead..................................................................................................................................7-7

7.4.2	Test Tool Software Does not
Run..............................................................................................................7-7

7.4.3	Software Runs, Test Tool not
Operative..........................................................................................7-8

7.5	Miscellaneous
Functions..........................................................................................................................................................7-8

7.5.1	Display and Back
Light..............................................................................................................................................7-8

7.5.2	Fly Back
Converter............................................................................................................................................................7-9

7.5.3	Slow ADC,
+3V3SADC............................................................................................................................................7-10

7.5.4
Keyboard............................................................................................................................................................................................7-11

7.5.5	Optical Port (Serial RS232
Interface)....................................................................................................7-12

7.5.6	Channel A, Channel B
Measurements..................................................................................................7-12

7.5.7	Meter Channel (Ext Trigger, Probe
Cal)..........................................................................................7-13

7.5.8	Input Signal
Acquisition............................................................................................................................................7-16

7.5.9
ADC’s....................................................................................................................................................................................................7-18

7.5.10	Digital Control &
Memory................................................................................................................................7-19

7.5.11	Buzzer
Circuit........................................................................................................................................................................7-20

7.5.12	RAM
Test....................................................................................................................................................................................7-20

7.5.13	Power
ON/OFF....................................................................................................................................................................7-21

7.6	Loading
Software................................................................................................................................................................................7-21

8	List of Replaceable
Parts......................................................................................................................................8-1

8.1
Introduction..................................................................................................................................................................................................8-3

8.2	How to Obtain
Parts........................................................................................................................................................................8-3

8.3	Service
Centers......................................................................................................................................................................................8-3

8.4	Final Assembly
Parts....................................................................................................................................................................8-4

8.5	Main PCA Unit
Parts....................................................................................................................................................................8-6

8.6	Main PCA
Parts....................................................................................................................................................................................8-8

8.7
Accessories........................................................................................................8-26

9	Circuit
Diagrams..................................................................................................................................................................9-1

9.1
Introduction..................................................................................................................................................................................................9-3

9.2	Tracing signals in circuit
diagrams..........................................................................................................................9-3

9.3	Locating Parts & Test
Points............................................................................................................................................9-3

9.4
Diagrams..........................................................................................................................................................................................................9-10

10
Modifications............................................................................................................................................................................10-1

10.1 Software
modifications..........................................................................................................................................................10-3
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